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Finding the Fourth Proportional to 459,002.30, 688,503.45 and 193,063.10

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Solution

The fourth proportional to 459,002.30, 688,503.45 and 193,063.10 is: 289,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,002.30 : 688,503.45 = 193,063.10 : x
  2. Step 2: Convert to fraction form
    459,002.30/688,503.45 = 193,063.10/x
  3. Step 3: Cross multiply
    459,002.30x = 688,503.45 × 193,063.10
  4. Step 4: Simplify right side
    459,002.30x = 132,924,610,417.70
  5. Step 5: Solve for x
    x = 132,924,610,417.70/459,002.30
  6. Step 6: Final answer
    x = 289,594.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.